NEX-Forms – Ultimate Forms Plugin for WordPress vulnerabilities

Plugin slug nex-forms-express-wp-form-builder · 44 known vulnerabilities · latest disclosed 2026-10-28 · WordPress.org page

Every listed vulnerability has a fix. Version 9.3.3 or later is not affected by any of them. If your site runs an older version, update it.

14 of 44 rated high or critical (CVSS 7 or more).

Known vulnerabilities in NEX-Forms – Ultimate Forms Plugin for WordPress

SeverityAffected versionsFixed inCVEPublishedDetails
High 7.2<= 9.3.29.3.3CVE-2026-967672026-10-28Advisory
Medium 5.39.2.1 to 9.3.09.3.1CVE-2026-1061662026-10-14Advisory
Medium 6.4<= 9.3.19.3.2CVE-2026-966072026-10-04Advisory
Medium 4.9<= 9.3.09.3.1CVE-2026-759612026-09-17Advisory
Medium 4.9<= 9.2.49.2.5CVE-2026-156022026-08-15Advisory
High 8.1<= 9.2.39.2.4CVE-2026-154502026-07-31Advisory
Medium 5.3<= 9.2.29.2.3CVE-2026-90172026-07-10Advisory
High 7.2<= 9.2.29.2.3CVE-2026-576682026-07-10Advisory
High 7.2<= 9.2.29.2.3CVE-2026-130402026-07-02Advisory
High 7.2<= 9.2.29.2.3CVE-2026-121422026-06-30Advisory
Medium 5.3<= 9.2.29.2.3CVE-2026-124042026-06-26Advisory
High 7.2<= 9.2.29.2.3CVE-2026-105252026-06-26Advisory
Medium 4.9<= 9.1.129.1.13CVE-2026-70462026-05-14Advisory
High 7.2<= 9.1.119.1.12CVE-2026-50632026-05-02Advisory
High 7.5<= 9.1.99.1.10CVE-2026-19472026-03-14Advisory
Medium 4.3<= 9.1.99.1.10CVE-2026-19482026-03-13Advisory
Medium 6.1<= 9.1.79.1.8CVE-2025-693262026-02-09Advisory
High 7.2<= 9.1.79.1.8CVE-2025-693242026-02-04Advisory
Medium 5.3<= 9.1.89.1.9CVE-2025-155102026-01-30Advisory
Medium 4.4<= 9.1.79.1.8CVE-2025-148032025-12-19Advisory
Medium 4.9<= 9.1.69.1.7CVE-2025-101852025-10-10Advisory
Medium 4.3<= 9.1.39.1.4CVE-2025-493992025-08-20Advisory
Medium 6.3<= 8.9.18.9.2CVE-2025-42082025-05-07Advisory
Medium 6.4<= 8.9.18.9.2CVE-2025-34682025-05-07Advisory
Medium 5.3<= 8.8.18.8.2CVE-2024-134982025-03-11Advisory
Medium 4.9<= 8.7.158.7.16CVE-2024-108622024-12-24Advisory
Medium 4.9<= 8.7.88.7.9CVE-2024-538082024-12-02Advisory
Medium 6.1<= 8.7.38.7.4CVE-2024-473892024-09-30Advisory
Medium 6.4<= 8.5.108.6.1CVE-2024-375122024-07-05Advisory
Medium 6.4<= 8.5.58.5.6CVE-2024-255932024-02-12Advisory
Medium 5.3<= 8.5.68.5.7CVE-2024-09072024-01-31Advisory
Medium 5.3<= 8.5.68.5.7CVE-2024-11292024-01-31Advisory
Medium 5.3<= 8.5.68.5.7CVE-2024-11302024-01-31Advisory
Medium 4.3<= 8.5.28.5.5CVE-2023-521202023-12-28Advisory
Medium 5.5<= 8.5.58.5.6CVE-2023-508382023-12-21Advisory
Medium 4.8<= 8.4.38.4.4CVE-2023-04392023-06-26Advisory
High 7.2<= 8.3.38.4CVE-2023-21142023-04-17Advisory
Medium 6.4<= 8.3.28.3.3CVE-2023-02722023-02-28Advisory
High 7.2<= 7.9.67.9.7CVE-2022-31422022-08-01Advisory
High 8.8<= 8.4.28.4.3CVE-2021-247052021-11-14Advisory
Medium 4.3<= 7.8.77.8.8CVE-2021-346762021-07-19Advisory
Medium 6.3<= 7.7.17.8CVE-2020-366702020-11-27Advisory
Critical 9.8< 4.6.14.6.1CVE-2015-94522015-07-16Advisory
Critical 9.8< 3.43.4none2015-04-21Advisory

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Questions

Is the NEX-Forms – Ultimate Forms Plugin for WordPress plugin safe to use?

All 44 known issues are fixed in current versions (9.3.3 or later). Keeping it updated is what matters.

How do I check which version of NEX-Forms – Ultimate Forms Plugin for WordPress my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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